NCTAM papers, National Congress of Theoretical and Applied Mechanics, Japan
The 64th Japan National Congress for Theoretical and Applied
Session ID : OS2-01-01
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OS2-1
Particle Alignment in Microchannel Flow Applying Space-time-controlled Dielectrophoretic Force
Kazuya TATSUMIKoki KAWANOTakehiko ESAKAReiko KURIYAMAKazuyoshi NAKABE
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

Particle and cell positon control and sorting system is developed in the present work by exerting dielectrophoretic force on particle using rail-type, ladder-type and flip-type electrodes. In this study, the technology that can control the space and time intervals of particles flowing in microchannel flow and their timing (alignment control) is described. This is achieved by controlling the time characteristic of acceleration and deceleration forces exerted on particles using dielectrophoretic force and ladder-type electrodes. Particle motion and alignment performance are measured using high-speed camera. Further, perturbation analysis is made to solve and understand particle motion and alignment physics and to discuss their instability and alignment characteristics.

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© 2017 The Japan Society of Mechanical Engineers
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